LVA @ INSA Lyon: half a century of research and teaching in vibration and acoustic engineering

Topical Issue - Development of European Acoustics in 20th Century

Open Access

Figure 16.

Mental fatigue felt by participants during the day. This is measured through questionnaires filled at three times in the morning (AM 1 to AM 3) and three times in the afternoon (PM 1 to PM 3) [89].

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